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CVE-2015-8860

21
FAUCET Score

CVE-2015-8860 describes a symlink attack vulnerability in the Node.js tar package prior to version 2.0.0, allowing remote attackers to write to arbitrary files. This high-severity flaw (CVSS 7.5) has a low attack complexity and requires no user interaction, enabling significant impact on system integrity. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting it is not currently a prevalent threat.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.8.4CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.91%
Probability of exploitation in next 30 days
EPSS Percentile
91.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0491 is in the 85th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

npmpatch availablevia ghsa
Product: tarFixed in: 2.0.0
redhatno patchvia redhat_api
Product: Red Hat Software CollectionsFixed in: nodejs010-nodejs-tar

Vendor Advisories (2)

npmGHSA-gfjr-3jmm-4g9vhigh

Symlink Arbitrary File Overwrite in tar

Oct 24, 2017
redhatCVE-2015-8860Moderate

nodejs-tar: insecure processing of symbolic links during package processing

Mar 27, 2015

References

nodesecurity.io / advisories/57
MitigationVendor Advisory
openwall.com / lists/oss-security/2016/04/20/11
Mailing ListThird Party Advisory